3847320 has 48 divisors (see below), whose sum is σ = 12504960. Its totient is φ = 1025856.

The previous prime is 3847309. The next prime is 3847351. The reversal of 3847320 is 237483.

3847320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4984 + ... + 5703.

It is an arithmetic number, because the mean of its divisors is an integer number (260520).

Almost surely, 2^3847320 is an apocalyptic number.

3847320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3847320 is an abundant number, since it is smaller than the sum of its proper divisors (8657640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3847320 is a wasteful number, since it uses less digits than its factorization.

3847320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704 (or 10697 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3847320 is about 1961.4586409099. The cubic root of 3847320 is about 156.6941453737.

The spelling of 3847320 in words is "three million, eight hundred forty-seven thousand, three hundred twenty".